Description
Comet P40 Soft Wash Pump
The Comet P40 Soft Wash Pump is a high-performance, three-diaphragm pump built for low-pressure, high-flow applications. It handles up to 11 GPM at 300 PSI and includes a ¾” solid shaft gearbox for reliable power transfer. Designed for soft washing, this pump features Desmopan diaphragms, a fully adjustable pressure regulator, and a corrosion-resistant polypropylene body.
To reduce leak points and simplify maintenance, the pump includes a centralized inlet, self-priming functionality, and a visible oil cup. It performs efficiently with sodium hypochlorite and is well-suited for exterior cleaning jobs that demand steady flow and chemical resistance.
Key Features:
- 2025 Upgraded Design
Reduces leak points, improved flow, and option to add a pressure gauge. - Chemical Resistant Diaphragms
Includes three Desmopan diaphragms for enhanced resistance to sodium hypochlorite and other common soft wash chemicals. - Adjustable Pressure Regulator
Comes with a built-in regulator that allows easy adjustment of spray pressure across different applications. - Self-Priming Capabilities
Starts up without the need for manual filling, making job setup faster and easier. - Durable Polypropylene Construction
Resists corrosion caused by bleach-heavy environments, supporting longer pump life. - Included ¾″ Solid Shaft Gearbox
Supports reliable power transfer from your motor or engine to the pump. Pump Motor Rating
Commonly paired with a Honda GX200 EngineInlet and Outlet Size
1″ inlet and ½” outlet to support standard soft wash system setups with a 3/4″ bypass.- Pressure Gauge Port Included
Comes with a built-in port so you can easily add a pressure gauge to monitor system pressure.
We offer this pump in two variations: with or without the gauge included:
This Comet P40 Soft Wash Pump comes newly upgraded and delivers improved performance in the field. First, the design replaces the old multi-part manifold with a solid one-piece build. This change reduces leaks and increases durability. Next, the upgraded regulator uses a diaphragm system instead of a piston, which provides smoother pressure control and minimizes internal wear. Additionally, the repositioned suction fitting improves water flow and boosts efficiency during longer jobs. This updated model also includes a pressure gauge port. This feature lets you fine-tune your setup and troubleshoot with ease. Overall, the new P40 runs more reliably, requires less maintenance, and meets the demands of today’s soft wash professionals.
If you prefer the previous model P40 just include that in the notes at checkout and we will take care of you. The price is the same:)
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